Continue the items article revision with all comments in #250.
The article is far from perfect. Many things still need to be added and improved.
This PR is another iteration and ready to be merged for now.
Related to #250#402Resolves#291
Next look into #373
* Add toc to sitemap article
Signed-off-by: Thomas Dietrich <Thomas.Dietrich@tu-ilmenau.de>
* Reorganize Items sections
Signed-off-by: Thomas Dietrich <Thomas.Dietrich@tu-ilmenau.de>
* Update introduction and syntax
Signed-off-by: Thomas Dietrich <Thomas.Dietrich@tu-ilmenau.de>
* Overhaul Icons section and more
Signed-off-by: Thomas Dietrich <Thomas.Dietrich@tu-ilmenau.de>
* Add multi binding section
Signed-off-by: Thomas Dietrich <Thomas.Dietrich@tu-ilmenau.de>